The F 7105A (F7105A) is a high-reliability 6-fold current distribution module designed for the HIMA rack-based safety systems. Its primary function is to provide protected power distribution to various subracks and system components while ensuring continuous line health monitoring. The module features six independent current paths, each equipped with a fuse and a dedicated status LED. In critical infrastructure such as refineries or power plants, the F 7105A plays a vital role in localized power management, preventing a single short circuit from taking down an entire safety controller rack. With its integrated error relay contact, it provides immediate feedback to the central diagnostic system the moment a fuse blows, drastically reducing MTTR (Mean Time To Repair).
The F 7105A is engineered for mechanical simplicity and electrical robustness:
Distribution Capacity: Six fused current paths, typically supplied with 4 A-T (time-delay) fuses from the factory.
Fuse Monitoring: Each path is monitored for integrity. If a fuse blows, a red "ERR" LED flashes and a potential-free changeover contact opens for remote signaling.
Visual Diagnostics: Features six green path-status LEDs and one red common error LED on the front panel.
Redundant Supply: Pins z2 and z4 allow for the parallel supply of 24 VDC operating voltages, ensuring the distribution bus remains energized even if one supply line is compromised.
Switching Logic: The monitoring relay contact operates with a switching time of approximately 60 ms, providing rapid notification of power distribution faults.
| Feature | Details |
| Model | F 7105A |
| Brand | HIMA |
| Number of Paths | 6 Fused Paths |
| Fuse Rating | Max 4 A-T (Standard) |
| Supply Voltage | 24 VDC (-15 percent ... +20 percent) |
| Current Consumption | 65 mA (Internal) |
| Relay Contact | Potential-free changeover contact |
| Operating Temp | -25 to +70 deg C |
| Space Requirement | 4 TE (Total Units) |
| Weight | 0.25 kg |
Does the "ERR" LED light up if a current path is not connected?
No. If a current path is not connected to a load, the corresponding green LED remains off, but the output relay contact remains closed. The module only monitors "connected" paths where a fuse has physically blown.
What is the maximum switching capacity of the error relay?
The integrated relay can handle up to 4 A at 30 VAC/DC. For inductive loads, it is rated for a maximum switching power of 120 W (non-inductive) or 120 VA (cos phi > 0.5).
Can I replace the standard 4 A-T fuses with a different rating?
While 4 A-T is the factory standard, you may use smaller fuses for specific line protection. However, you should never exceed the 4 A rating per path to avoid overheating the backplane traces or the module's internal circuitry.
Fuse Replacement Safety: Before replacing a blown fuse, always investigate the root cause of the overcurrent. The red flashing "ERR" LED and the specific path LED will help you identify which branch circuit failed. Ensure the power is isolated before physical fuse extraction.
Parallel Supply Wiring: To maximize system availability, utilize both the z2 and z4 pins to connect redundant 24 VDC power sources. This ensures that the six distribution paths remain active even if one primary power supply unit fails.
Relay Contact Integration: Connect the potential-free changeover contact (pins 2 and 4) to a digital input on your HIMA safety CPU. This allows you to generate a system-level alarm in the SILworX or ELOP II software whenever a power distribution fault occurs.
Environmental Considerations: The module is rated for -25 to +70 deg C, making it suitable for unheated outdoor cabinets. However, ensure that the cabinet has adequate ventilation if multiple F 7105A modules are used at full 4 A capacity, as the cumulative heat from the fuses can affect internal cabinet temperatures.
Global Express Shipping
Returns & Warranty
Manufacturer: HIMA
Product No.: F7105A
Country of origin:Germany
Product Type: Power Distribution Modules
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 250g
Dimensions: 2.1cm x 19.1cm x 12.9cm
Shipping port: Xiamen
Warranty: 12 months
The F 7105A (F7105A) is a high-reliability 6-fold current distribution module designed for the HIMA rack-based safety systems. Its primary function is to provide protected power distribution to various subracks and system components while ensuring continuous line health monitoring. The module features six independent current paths, each equipped with a fuse and a dedicated status LED. In critical infrastructure such as refineries or power plants, the F 7105A plays a vital role in localized power management, preventing a single short circuit from taking down an entire safety controller rack. With its integrated error relay contact, it provides immediate feedback to the central diagnostic system the moment a fuse blows, drastically reducing MTTR (Mean Time To Repair).
The F 7105A is engineered for mechanical simplicity and electrical robustness:
Distribution Capacity: Six fused current paths, typically supplied with 4 A-T (time-delay) fuses from the factory.
Fuse Monitoring: Each path is monitored for integrity. If a fuse blows, a red "ERR" LED flashes and a potential-free changeover contact opens for remote signaling.
Visual Diagnostics: Features six green path-status LEDs and one red common error LED on the front panel.
Redundant Supply: Pins z2 and z4 allow for the parallel supply of 24 VDC operating voltages, ensuring the distribution bus remains energized even if one supply line is compromised.
Switching Logic: The monitoring relay contact operates with a switching time of approximately 60 ms, providing rapid notification of power distribution faults.
| Feature | Details |
| Model | F 7105A |
| Brand | HIMA |
| Number of Paths | 6 Fused Paths |
| Fuse Rating | Max 4 A-T (Standard) |
| Supply Voltage | 24 VDC (-15 percent ... +20 percent) |
| Current Consumption | 65 mA (Internal) |
| Relay Contact | Potential-free changeover contact |
| Operating Temp | -25 to +70 deg C |
| Space Requirement | 4 TE (Total Units) |
| Weight | 0.25 kg |
Does the "ERR" LED light up if a current path is not connected?
No. If a current path is not connected to a load, the corresponding green LED remains off, but the output relay contact remains closed. The module only monitors "connected" paths where a fuse has physically blown.
What is the maximum switching capacity of the error relay?
The integrated relay can handle up to 4 A at 30 VAC/DC. For inductive loads, it is rated for a maximum switching power of 120 W (non-inductive) or 120 VA (cos phi > 0.5).
Can I replace the standard 4 A-T fuses with a different rating?
While 4 A-T is the factory standard, you may use smaller fuses for specific line protection. However, you should never exceed the 4 A rating per path to avoid overheating the backplane traces or the module's internal circuitry.
Fuse Replacement Safety: Before replacing a blown fuse, always investigate the root cause of the overcurrent. The red flashing "ERR" LED and the specific path LED will help you identify which branch circuit failed. Ensure the power is isolated before physical fuse extraction.
Parallel Supply Wiring: To maximize system availability, utilize both the z2 and z4 pins to connect redundant 24 VDC power sources. This ensures that the six distribution paths remain active even if one primary power supply unit fails.
Relay Contact Integration: Connect the potential-free changeover contact (pins 2 and 4) to a digital input on your HIMA safety CPU. This allows you to generate a system-level alarm in the SILworX or ELOP II software whenever a power distribution fault occurs.
Environmental Considerations: The module is rated for -25 to +70 deg C, making it suitable for unheated outdoor cabinets. However, ensure that the cabinet has adequate ventilation if multiple F 7105A modules are used at full 4 A capacity, as the cumulative heat from the fuses can affect internal cabinet temperatures.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
Black
Green
|
| Country of origin |
Germany
|
| Power source |
DC Power
|
A practical engineering guide to PLC CPU operation, from deterministic scan cycles and I/O image tables to memory, communications, diagnostics, redundancy, processor sizing, and reliable system...
Sostituire un 1756-L73 non significa automaticamente aggiornare il firmware. Questa guida confronta le versioni 19.013, 21.011 e 31.011, concentrandosi sulla compatibilità dei progetti, sulle...
Implementa un circuito luminoso XOR con 3 interruttori SPST in LogixPro o RSLogix 500 utilizzando un bit di relè interno. Include tabelle della verità, equazioni booleane e verifica.
Integra Allen-Bradley CompactLogix, Caterpillar ATS e generatori nel DCS DeltaV tramite Modbus RTU. Include i gateway ProSoft MVI69-MCM e Miille DIN266.
L’istruzione ONS si attiva, ma la bobina OTE non rimane mai eccitata in Studio 5000 perché il one-shot è vero solo per una scansione. Usa OTL/OTU oppure una logica di autoritenuta.
Configura i servoazionamenti Allen-Bradley Kinetix 5500 su EtherNet/IP. Include CIP Sync, la temporizzazione IEEE 1588 V2, la selezione degli switch Stratix, la topologia DLR e l’HMI.
